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The HI740271 is a replacement filter holder with Luer lock (1 pc.) for use with the HI781 Low Range Marine Nitrate Checker.
The HI772-26 are the replacement reagents Marine Alkalinity (dKH) Checker® HC - HI772. These high-quality reagents are manufactured in our...
The HI774-25 are the replacement reagents for the HI774 Phosphate Ultra Low Range Checker® HC. These high-quality reagents are manufactured...
Calcium testing and addition Calcium is a major constituent of calcareous algae, skeletal material of hard corals and the skeletal...
Neptune Systems recommends keeping on hand no more Trident reagent than you might expect to consume within the next 12...
Alkalinity testing and addition Calcium alone cannot form the skeletal material of corals and allow calcareous algae to grow. Some...
Nitrate testing When an aquarium has insufficient regions deprived of oxygen (= anaerobic zones) or denitrification proceeds incompletely then nitrate...
The HI736-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Phosphorus...
Phosphate testing and removal Phosphate has several negative effects if present in a too high concentration. First of all undesirable...
Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg/L). Magnesium is an essential part of...
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